[PATCH 1/14] powerpc: add virq_to_hw accessor routine

[Geoff Levand]

Subject: powerpc: add virq_to_hw accessor routine

From: Geoff Levand <geoffrey.levand at am.sony.com>

This adds an accessor routine virq_to_hw() to the
virq routines which hides the implementation details
of the virq to hwirq map.


Signed-off-by: Arnd Bergmann <arnd.bergmann at de.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Signed-off-by: Geoff Levand <geoffrey.levand at am.sony.com>

---
 include/asm-powerpc/irq.h |    4 ++++
 1 files changed, 4 insertions(+)

Index: cell--common--6/include/asm-powerpc/irq.h
===================================================================
--- cell--common--6.orig/include/asm-powerpc/irq.h
+++ cell--common--6/include/asm-powerpc/irq.h
@@ -135,6 +135,10 @@
 
 extern struct irq_map_entry irq_map[NR_IRQS];
 
+static inline irq_hw_number_t virq_to_hw(unsigned int virq)
+{
+	return irq_map[virq].hwirq;
+}
 
 /**
  * irq_alloc_host - Allocate a new irq_host data structure